https://www.researchgate.net/profile/Antonio_Zadra/publication/232509978_Recurrent_dreams_Their_relation_to_life_events/links/53d673f10cf220632f3da1f7/Recurrent-dreams-Their-relation-to-life-events.pdf
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4072653/
https://www.psychologytoday.com/us/blog/dream-factory/201411/whats-behind-your-recurring-dreams
https://amerisleep.com/blog/americas-common-recurring-dreams/
https://www.healthline.com/health/recurring-dreams#common-themes
https://science.howstuffworks.com/life/inside-the-mind/human-brain/dream8.htm
http://healthysleep.med.harvard.edu/healthy/science/what/characteristics
https://teachmephysiology.com/respiratory-system/regulation/neural-control-ventilation/
https://www.neura.edu.au/project/studies-voluntary-involuntary-control-human-breathing/
https://www.unm.edu/~lkravitz/Article%20folder/Breathing.html